For the first time, two Lockheed Martin [NYSE: LMT] F-35C Lightning II carrier variant test aircraft refueled together with a Lockheed Martin KC-130 Hercules in the sky above Patuxent River, Md. recently. The CV aircraft, known as CF-1 and CF-2, completed the milestone as part of an F-35 flight test program that will accomplish more than 1,000 flights in 2013. Later this year, Eglin AFB, Fla., will receive its first CV aircraft joining the F-35 pilot and maintainer training program there.

Headquartered in Bethesda, Md., Lockheed Martin is a global security and aerospace company that employs about 120,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The corporation's net sales for 2011 were $46.5 billion.